WorldCupArena: Fine-Grained Evaluation of Language Models and Deep-Research Agents on Football Forecasting

arXiv:2607.18084 · cs.AI, cs.CL, cs.LG · Submitted 2026-07-20 · Read on arXiv

cs.AI, cs.CL, cs.LG

Submitted: 2026-07-20

Updated: 2026-08-31

Code: https://github.com/wzk1015/WorldCupArena

Terminology

• Accuracy — 44× in this paper · explained in 1 episode
• Benchmark — 36× in this paper · explained in 2 episodes
• Aggregation — 4× in this paper · explained in 1 episode
• Calibration — 3× in this paper · explained in 7 episodes
• Commentary — 3× in this paper · explained in 2 episodes
• Adaptation — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Ontology — 1× in this paper · explained in 2 episodes
• Redundancy — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Deep Research Bench: Evaluating AI Web Research Agents
• DeepSeek-V4: Towards Highly Efficient Million-Token Context Intelligence
• ForecastBench: A Dynamic Benchmark of AI Forecasting Capabilities

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